Upload JSON

Files are validated and stored in /data. Max 10 MB.

Posting from a script
curl -X POST "http://dashboard.alstar.ch/upload.aspx?filename=sales.json" \
     -H "Content-Type: application/json" \
     --data-binary @sales.json

201 created | 200 replaced | 400 bad filename or JSON
409 exists (add &overwrite=true) | 413 too large | 415 wrong Content-Type